--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6246023564 dns-udp-queries-received-ipv6: 1269745324 dns-tcp-queries-received-ipv4: 537331839 dns-tcp-queries-received-ipv6: 92503820 dns-udp-responses-sent-ipv4: 5790843382 dns-udp-responses-sent-ipv6: 1262558511 dns-tcp-responses-sent-ipv4: 378098427 dns-tcp-responses-sent-ipv6: 91681431